Short-range order in spin-density wave antiferromagnets

M. Avignon, V. Men'shov and V. Tugushev

LEPES-CNRS - BP 166, 38042 Grenoble Cedex 9, France

Received:
18
October
1995
Accepted:
22
March
1996

Abstract

We develop the model of the short-range–order state for itinerant
antiferromagnets with spin-density wave (SDW). The electronic
spectrum, SDW amplitude and dynamical susceptibility
are calculated. The existence
of a fully diffusive magnetic mode at small wave vectors is predicted.

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